Head on over to this post on Milners Blog to check out/download ultra high resolution versions of the logo (in several different variations) and official images for The Mandalorian Disney+ live-action series that were revealed during Star Wars Celebration Chicago 2019. The post also contains an alternate version of the poster that was handed out to attendees of the panel for The Mandalorian at Celebration.
An photo of the poster that was given out to the Celebration panel attendees is provided below (click for a larger view).
